CN110635629A - Cooler water leakage fault alarm device and main motor - Google Patents

Cooler water leakage fault alarm device and main motor Download PDF

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Publication number
CN110635629A
CN110635629A CN201910933387.9A CN201910933387A CN110635629A CN 110635629 A CN110635629 A CN 110635629A CN 201910933387 A CN201910933387 A CN 201910933387A CN 110635629 A CN110635629 A CN 110635629A
Authority
CN
China
Prior art keywords
water leakage
connecting flange
cooler
water
detection cup
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910933387.9A
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Chinese (zh)
Inventor
应明强
雷华北
郑世林
张波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pangang Group Xichang Steel and Vanadium Co Ltd
Original Assignee
Pangang Group Xichang Steel and Vanadium Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pangang Group Xichang Steel and Vanadium Co Ltd filed Critical Pangang Group Xichang Steel and Vanadium Co Ltd
Priority to CN201910933387.9A priority Critical patent/CN110635629A/en
Publication of CN110635629A publication Critical patent/CN110635629A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/24—Protection against failure of cooling arrangements, e.g. due to loss of cooling medium or due to interruption of the circulation of cooling medium

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

The invention discloses a cooler water leakage fault alarm device and a main motor, wherein the cooler water leakage fault alarm device comprises a water leakage detection cup and a water leakage detector, wherein a first connecting flange is fixed at the inlet of the water leakage detection cup, a second connecting flange is fixed at the outlet of the water leakage detection cup, the first connecting flange is detachably connected to a cooling water leakage water receiving tank of the main motor, and the second connecting flange is detachably connected with a water drainage pipe; the water leakage detector is arranged in the water leakage detection cup. According to the invention, the first connecting flange and the second connecting flange are arranged at the inlet and the outlet of the water leakage detection cup, so that the detachable connection with the cooling water circulating pipeline is realized, and the water leakage detector is convenient to replace. The inconvenience of replacement caused by the fact that the water leakage detector is directly welded on the cooling water circulating pipeline is avoided.

Description

Cooler water leakage fault alarm device and main motor
Technical Field
The invention relates to the technical field of cold rolling and hot rolling main transmission motor equipment in the metallurgical industry, in particular to a water leakage fault alarm device of a cooler and a main motor.
Background
The main motor is a key device for cold rolling, mainly used for driving a roller in a rack to realize the rolling function of strip steel, and a cooler of the main motor is one of key parts of the main motor, wherein the cooling mode of the main motor is a complete packaging type, and a forced air-to-water ventilation cooler (a mosaic type) is adopted.
At present, a cooler of a main motor for timely finding water leakage comprises a water leakage detection cup and a water leakage detector, wherein the water leakage detection cup is welded on a water leakage drainage pipe of the main motor, the damage of the water leakage detector cannot be timely detected, and the replacement is inconvenient.
Therefore, how to accurately and rapidly detect the water leakage of the main motor cooler and facilitate the replacement is a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of the above, a first object of the present invention is to provide a water leakage fault alarm device for a cooler, which is capable of facilitating replacement of a water leakage detector and simultaneously detecting whether water leaks from a main motor cooler accurately and quickly.
A second object of the invention is to provide a main motor.
In order to achieve the first object, the present invention provides the following solutions:
a cooler water leakage fault alarm device comprises a water leakage detection cup and a water leakage detector, wherein a first connecting flange is fixed at an inlet of the water leakage detection cup, a second connecting flange is fixed at an outlet of the water leakage detection cup, the first connecting flange is detachably connected to a cooling water leakage water receiving tank of a main motor, and the second connecting flange is detachably connected with a water drainage pipe;
the water leakage detector is arranged in the water leakage detection cup.
In a specific embodiment, the first connecting flange and the second connecting flange are welded to an inlet of the water leakage detecting cup and an outlet of the water leakage detecting cup, respectively.
In another specific embodiment, said water leak detection cups and said water leak detectors correspond one to one;
and the number of the water leakage detection cups and the number of the water leakage detectors are at least 2.
In another specific embodiment, the water leakage failure warning device of the cooler further comprises a water leakage drainage pipeline;
the first end of the water leakage drainage pipeline is detachably connected with the second connecting flange, and the second end of the water leakage drainage pipeline is in conduction connection with the drainage pipe.
In another embodiment, the water leaking drainage pipeline is a U-shaped pipeline, and the first end of the water leaking drainage pipeline is higher than the second end of the water leaking drainage pipeline.
In another specific embodiment, the bottom end of the water leakage detection cup is provided with a first drain valve;
and a second drain valve is arranged at the bottom end of the water leakage drainage pipeline.
In another specific embodiment, an inclined guide pipe connected with the first connecting flange is arranged at an inlet of the water leakage detection cup, and a first sealing gasket is arranged at the joint of the first connecting flange and the cooling water leakage water receiving tank for sealing;
and a second sealing gasket is arranged at the joint of the second connecting flange and the water leakage drainage pipeline for sealing.
In another specific embodiment, the cooler water leakage fault warning device further comprises a controller;
the controller is in signal connection with the water leakage detector and the main motor.
The various embodiments according to the invention can be combined as desired, and the embodiments obtained after these combinations are also within the scope of the invention and are part of the specific embodiments of the invention.
Without being limited to any theory, it can be seen from the above disclosure that, when water leakage occurs in the cooler, the leaked liquid enters the cooling water leakage receiving tank, and then enters the water leakage detection cup, and the water leakage detector in the water leakage detection cup can timely find that water leakage occurs in the cooler. The leakage liquid in the water leakage detection cup can enter the drain pipe along the outlet of the water leakage detection cup to be discharged. According to the invention, the first connecting flange and the second connecting flange are arranged at the inlet and the outlet of the water leakage detection cup, so that the detachable connection with the cooling water circulating pipeline is realized, and the water leakage detector is convenient to replace. The inconvenience of replacement caused by the fact that the water leakage detector is directly welded on the cooling water circulating pipeline is avoided.
In order to achieve the second object, the present invention provides the following solutions:
a main motor comprising a cooler water leakage fault alarm device as claimed in any one of the preceding claims.
The main motor provided by the invention comprises the cooler water leakage fault alarm device, so that the cooler water leakage fault alarm device has the beneficial effects that the cooler water leakage fault alarm device comprises the main motor provided by the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a water leakage fault alarm device of a cooler applied to a main motor.
Wherein, in fig. 1:
the water leakage detection device comprises a water leakage detection cup 1, a first connecting flange 2, a second connecting flange 3, a water leakage receiving tank 4 of the cooler and a water leakage drainage pipeline 5.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description of the present invention is provided with reference to fig. 1 and the detailed description.
Example one
The invention discloses a water leakage fault alarm device for a cooler, which is used for a main motor. The water leakage fault alarm device of the cooler comprises a water leakage detection cup 1 and a water leakage detector.
The inlet of the water leakage detection cup 1 is fixed with a first connecting flange 2, and the outlet of the water leakage detection cup 1 is fixed with a second connecting flange 3. Specifically, the first connecting flange 2 may be integrally formed with the water leakage detecting cup 1, or may be welded. The first connecting flange 2 is detachably connected to a cooling water leakage water receiving tank of the main motor, and specifically, the first connecting flange 2 is fixed to the cooling water leakage water receiving tank by bolts.
The second connecting flange 3 is detachably connected with a drain pipe, and the drain pipe is used for discharging leaked liquid in the water leakage detection cup 1.
The water leakage detector is installed in the water leakage detecting cup 1.
In order to realize the replacement of the water leakage detection cup 1 without stopping the main motor, a switch valve may be provided between the first connection flange 2 and the water leakage detection cup 1.
According to the water leakage fault alarm device for the cooler, disclosed by the invention, when the cooler leaks water, leaked liquid enters the cooling water leakage water receiving tank, the leaked liquid in the cooling water leakage water receiving tank further enters the water leakage detection cup 1, and the water leakage detector in the water leakage detection cup 1 can timely find that the cooler leaks water. The leakage liquid in the water leakage detection cup 1 can enter the drain pipe along the outlet of the water leakage detection cup 1 to be discharged. According to the invention, the first connecting flange 2 and the second connecting flange 3 are arranged at the inlet and the outlet of the water leakage detection cup 1, so that the detachable connection with the cooling water circulating pipeline is realized, and the water leakage detector is convenient to replace. The inconvenience of replacement caused by the fact that the water leakage detector is directly welded on the cooling water circulating pipeline is avoided.
Example two
In the second embodiment provided by the present invention, the structure of the water leakage fault alarm device of the cooler in the present embodiment is similar to that of the water leakage fault alarm device of the cooler in the first embodiment, and the same parts are not repeated, and only the differences will be described.
In the embodiment, the invention specifically discloses that the first connecting flange 2 and the second connecting flange 3 are welded at the inlet of the water leakage detecting cup 1 and the outlet of the water leakage detecting cup 1.
Further, the invention discloses that the water leakage detection cups 1 correspond to the water leakage detectors one to one. It should be noted that, a plurality of first connecting flanges 2 can be installed on the water receiving tank 4 for water leakage of the cooler, so that a plurality of water leakage detectors can be installed, one water leakage detector is damaged, and other water leakage detectors can be used normally.
Furthermore, the invention discloses that the number of the water leakage detection cups 1 and the number of the water leakage detectors are at least one, and the water leakage detection cups 1 are respectively arranged at different positions of the cooling water circulating pipeline.
Furthermore, the invention discloses a water leakage fault alarm device of a cooler, which further comprises a water leakage drainage pipeline 5, wherein the first end of the water leakage drainage pipeline 5 is detachably connected with the second connecting flange 3, the water leakage drainage pipeline 5 is communicated with the water leakage detection cup 1, the second end of the water leakage drainage pipeline 5 is communicated with the drainage pipeline, and the water leakage drainage pipeline 5 is communicated with the drainage pipeline. Namely, the connection between the water leakage detecting cup 1 and the water discharge pipe is realized through the water leakage discharge pipe 5.
Furthermore, the invention discloses that the water leakage drainage pipeline 5 is a U-shaped pipeline, and the first end of the water leakage drainage pipeline 5 is higher than the second end of the water leakage drainage pipeline 5 to form a liquid level difference. The water leakage drain pipe may have other shapes.
Furthermore, the invention discloses that the bottom end of the water leakage detection cup 1 is provided with the first drainage valve, so that liquid in the water leakage detection cup 1 can be drained cleanly.
Furthermore, the invention discloses that the bottom end of the water leakage drainage pipeline 5 is provided with a second drainage valve, so that liquid in the water leakage drainage pipeline 5 can be drained conveniently.
Furthermore, the invention discloses that an inclined guide pipe connected with a first connecting flange 2 is arranged at the inlet of the water leakage detection cup 1, so that the liquid in the cooling water leakage water receiving tank can be conveniently discharged into the water leakage detection cup 1.
Furthermore, the invention discloses that a first sealing gasket is arranged at the joint of the first connecting flange 2 and the cooling water leakage water receiving tank, so that water leakage at the joint of the first connecting flange 2 and the cooling water leakage water receiving tank is avoided.
Furthermore, the invention discloses that a second sealing gasket is arranged at the joint of the second connecting flange 3 and the water leakage drainage pipeline 5, so that water leakage at the joint of the second connecting flange 3 and the water leakage drainage pipeline 5 is avoided.
Furthermore, the invention discloses that the water leakage drainage pipeline 5 is a bendable pipe, and the bending of the water leakage drainage pipeline 5 in different shapes can be realized.
Furthermore, the invention discloses a water leakage fault alarm device of the cooler, which further comprises a controller, wherein the controller is in signal connection with the water leakage detector and is in signal connection with the main motor.
The invention adopts the double water leakage detectors, on one hand, the double water leakage detectors are simple to assemble, the function of detecting double insurance can be realized, on the other hand, the water leakage alarm is required to be quickly and accurately detected, the water leakage alarm is normally connected and communicated with a controller (such as a PLC system) and participates in the control of the controller, and the water leakage fault and the alarm of the main motor cooler are quickly and accurately detected in the shortest time.
EXAMPLE III
The invention provides a main motor, which comprises a water leakage fault alarm device of a cooler in any one of the embodiments.
Since the main motor provided by the invention comprises the water leakage fault alarm device of the cooler in any embodiment, the water leakage fault alarm device of the cooler has the beneficial effects that the water leakage fault alarm device of the cooler is comprised by the main motor provided by the invention.
The terms "first", "second", and the like in the present invention are used for descriptive distinction and have no other special meaning.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and inventive features disclosed herein.

Claims (9)

1. A cooler water leakage fault alarm device comprises a water leakage detection cup (1) and a water leakage detector, and is characterized in that a first connecting flange (2) is fixed at an inlet of the water leakage detection cup (1), a second connecting flange (3) is fixed at an outlet of the water leakage detection cup (1), the first connecting flange (2) is detachably connected to a cooling water leakage water receiving tank (4) of a main motor, and the second connecting flange (3) is detachably connected with a drain pipe;
the water leakage detector is arranged in the water leakage detection cup (1).
2. The water leakage malfunction alerting device of a cooler according to claim 1, wherein the first connection flange (2) and the second connection flange (3) are welded at an inlet of the water leakage detecting cup (1) and an outlet of the water leakage detecting cup (1), respectively.
3. The water leakage malfunction alerting device for a cooler according to claim 1, wherein the water leakage detecting cups (1) correspond to the water leakage detectors one to one;
and the number of the water leakage detection cups (1) and the number of the water leakage detectors are at least 2.
4. The water leakage malfunction alerting device for a cooler according to claim 1, further comprising a water leakage drain pipe (5);
the first end of the water leakage drainage pipeline (5) is detachably connected with the second connecting flange (3), and the second end of the water leakage drainage pipeline (5) is in conduction connection with the drainage pipeline.
5. The water leakage malfunction alerting device for a cooler according to claim 4, wherein said water leakage discharging pipeline (5) is a U-shaped pipeline, and a first end of said water leakage discharging pipeline (5) is higher than a second end of said water leakage discharging pipeline (5).
6. The water leakage fault alarm device of the cooler as claimed in claim 4, wherein the bottom end of the water leakage detection cup (1) is provided with a first drain valve;
and a second drain valve is arranged at the bottom end of the water leakage drainage pipeline (5).
7. The water leakage fault alarm device of the cooler according to claim 1, wherein an inclined guide pipe connected with the first connecting flange (2) is arranged at an inlet of the water leakage detecting cup (1), and a first sealing gasket seal is arranged at a joint of the first connecting flange (2) and the cooling water leakage water receiving tank (4);
and a second sealing gasket is arranged at the joint of the second connecting flange (3) and the water leakage drainage pipeline (5) for sealing.
8. The water leakage malfunction alerting device of a cooler of any one of claims 1-7, further comprising a controller;
the controller is in signal connection with the water leakage detector and the main motor.
9. A main electric machine comprising a cooler water leakage failure warning device according to any one of claims 1 to 8.
CN201910933387.9A 2019-09-29 2019-09-29 Cooler water leakage fault alarm device and main motor Pending CN110635629A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910933387.9A CN110635629A (en) 2019-09-29 2019-09-29 Cooler water leakage fault alarm device and main motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910933387.9A CN110635629A (en) 2019-09-29 2019-09-29 Cooler water leakage fault alarm device and main motor

Publications (1)

Publication Number Publication Date
CN110635629A true CN110635629A (en) 2019-12-31

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Application Number Title Priority Date Filing Date
CN201910933387.9A Pending CN110635629A (en) 2019-09-29 2019-09-29 Cooler water leakage fault alarm device and main motor

Country Status (1)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63222236A (en) * 1987-03-11 1988-09-16 Fujitsu Ltd Instrument for leak test
CN102222998A (en) * 2010-04-13 2011-10-19 上海电气集团上海电机厂有限公司 Water leakage alarm device used for water cooler above motor
CN103792045A (en) * 2014-02-19 2014-05-14 国电大渡河瀑布沟发电有限公司 Water leakage monitoring and controlling system for air coolers of power generator
CN206302295U (en) * 2016-12-16 2017-07-04 卧龙电气集团股份有限公司 Direct-connected air/water cooler water leakage monitoring device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63222236A (en) * 1987-03-11 1988-09-16 Fujitsu Ltd Instrument for leak test
CN102222998A (en) * 2010-04-13 2011-10-19 上海电气集团上海电机厂有限公司 Water leakage alarm device used for water cooler above motor
CN103792045A (en) * 2014-02-19 2014-05-14 国电大渡河瀑布沟发电有限公司 Water leakage monitoring and controlling system for air coolers of power generator
CN206302295U (en) * 2016-12-16 2017-07-04 卧龙电气集团股份有限公司 Direct-connected air/water cooler water leakage monitoring device

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Application publication date: 20191231

RJ01 Rejection of invention patent application after publication